Big Sand Lake Weather Forecast

    • 21
    • 40

    Chance Snow

    • 25
    • 41

    Snow Likely

    • 29
    • 45

    Rain/Snow Likely

    • 29
    • 49

    Chance Rain

    • 33
    • 56

    Partly Sunny

    • 36
    • 59

    Slight Chance Rain

Today 26 Apr Southern Clearwater Mountains

Mostly cloudy. Areas of frost and patchy fog early in the morning. A 30 percent chance of Areas of rain and snow in the afternoon. Highs 41 to 54.

Tonight 26 Apr Southern Clearwater Mountains

Partly cloudy. A 20 percent chance of rain and snow in the evening. Areas of frost and patchy fog after midnight. Lows in the 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sand Lake Temperature Statistics

April Temperature

Missoula, Missoula International Airport (46.6 miles)

  • Lowest 18 April, 2026

    25.6 °F

  • Average April

    46.1 °F

  • Highest 6 April, 2026

    70.6 °F

Climate (2021–Present)

Missoula, Missoula International Airport (46.6 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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